6429446159 has 4 divisors (see below), whose sum is σ = 6636847680. Its totient is φ = 6222044640.

The previous prime is 6429446147. The next prime is 6429446173. The reversal of 6429446159 is 9516449246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6429446159 - 2¹⁶ = 6429380623 is a prime.

It is a super-2 number, since 2×6429446159² = 82675555822959706562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429446459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103700714 + ... + 103700775.

It is an arithmetic number, because the mean of its divisors is an integer number (1659211920).

Almost surely, 2^6429446159 is an apocalyptic number.

6429446159 is a deficient number, since it is larger than the sum of its proper divisors (207401521).

6429446159 is a wasteful number, since it uses less digits than its factorization.

6429446159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207401520.

The product of its digits is 1866240, while the sum is 50.

The square root of 6429446159 is about 80183.8272907947. The cubic root of 6429446159 is about 1859.4786143155.

The spelling of 6429446159 in words is "six billion, four hundred twenty-nine million, four hundred forty-six thousand, one hundred fifty-nine".